Eureka, OH Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Eureka, OH in one place.
Mostly clear, with a low around 67. South wind around 6 mph.
Local Weather Overview
This forecast page for Eureka, OH is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 16, 2026 2:38 AM EDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Eureka, OH.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 2:38 AM EDT
- Forecast office
- RLX
- Source
- NOAA / NWS
Daily Outlook
This Week in Eureka
Wednesday looks like the warmest upcoming period in Eureka at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Sunday at about 8 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 2:38 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- RLX
- Radar station
- KRLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 92. Heat index values as high as 98. West wind 2 to 7 mph.
Mostly clear, with a low around 70. Southeast wind 1 to 5 mph.
Isolated showers and thunderstorms between 7am and 2pm. Mostly sunny, with a high near 90. Southwest wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70. Northwest wind around 3 mph. Chance of precipitation is 40%.
A chance of rain showers before 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Mostly clear, with a low around 64.
Sunny, with a high near 87.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 16
|
Mostly Clear
|
67°F |
6 mph
S
|
|
Wednesday
Sep 16
|
Sunny
|
92°F |
2 to 7 mph
W
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
70°F |
1 to 5 mph
SE
|
|
Thursday
Sep 17
|
Isolated Showers And Thunderstorms
|
90°F |
2 to 6 mph
SW
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
70°F |
3 mph
NW
|
|
Friday
Sep 18
|
Chance Rain Showers
|
83°F |
2 to 7 mph
N
|
|
Friday Night
Sep 18
|
Mostly Clear
|
64°F |
2 to 7 mph
NE
|
|
Saturday
Sep 19
|
Sunny
|
87°F |
2 mph
S
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
70°F |
2 to 7 mph
S
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
88°F |
8 mph
SW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
69°F |
6 mph
S
|
|
Monday
Sep 21
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
7 mph
SW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
66°F |
6 mph
SE
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
79°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Eureka.